<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>这是第一个页面</h1>
<mydiv :arr="arr"></mydiv>
<!--引入vue框架-->
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script src="js/vv.js"></script>
</body>
</html>